Does salt come from the sea from the water?

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Best Answer: The salt is dissolved in the water. It comes downstream in rivers that are flowing over rocks and bringing very small amounts of salt along. The water in the sea evaporates to make rain elsewhere, but the salt does not evaporate with it, so the amount of salt was increasing for millions of years. It is really NOT increasing now, because the sea now is salty enough that the salts in it are slowly crystallizing and forming new solids at the bottom of the sea. So the salinity of the sea is expected to remain about the same in the future as it is now.

AZ is right. It keeps leaching of the land. Salt is really ions of a metal and something like chloride or fluoride so you have anions and cations dissolved by water and they don't evaporate, they just get more and more concentrated. If they get too concentrated, they do precipitate out as salts which is how we get our table salt.